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RU2643773C1 - Wear resistant alloy based on iron - Google Patents

Wear resistant alloy based on iron Download PDF

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Publication number
RU2643773C1
RU2643773C1 RU2017119357A RU2017119357A RU2643773C1 RU 2643773 C1 RU2643773 C1 RU 2643773C1 RU 2017119357 A RU2017119357 A RU 2017119357A RU 2017119357 A RU2017119357 A RU 2017119357A RU 2643773 C1 RU2643773 C1 RU 2643773C1
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Prior art keywords
iron
wear
alloy
resistant alloy
alloy based
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RU2017119357A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
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Юлия Алексеевна Щепочкина
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Priority to RU2017119357A priority Critical patent/RU2643773C1/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

FIELD: metallurgy.
SUBSTANCE: invention refers to the field of metallurgy, namely, to the compositions of wear-resistant alloys based on iron. It may be used for the manufacture of parts that work in friction and wear. Wear-resistant iron-based alloy contains, wt %: carbon 3.2–3.5; manganese 20.0–24.0; titanium 0.05–0.1; boron 0.6–0.75; niobium 0.4–0.6; nitrogen 0.00006–0.0001; phosphorus 0.2–0.25; iron – the rest.
EFFECT: alloy has the high wear resistance.
1 cl, 1 tbl

Description

Изобретение относится к области металлургии, а именно к составам износостойких сплавов на основе железа, которые могут быть использованы для изготовления деталей, работающих в условиях трения и повышенного износа.The invention relates to the field of metallurgy, and in particular to compositions of wear-resistant alloys based on iron, which can be used for the manufacture of parts operating under friction and increased wear.

Известен сплав, содержащий, мас. %: углерод 2,0-3,5; марганец 15,0-24,0; титан 2,5-6,0; железо - остальное [1].Known alloy containing, by weight. %: carbon 2.0-3.5; manganese 15.0-24.0; titanium 2.5-6.0; iron - the rest [1].

Задача изобретения состоит в повышении износостойкости сплава.The objective of the invention is to increase the wear resistance of the alloy.

Технический результат достигается тем, что износостойкий сплав на основе железа, содержащий углерод, марганец, титан, дополнительно включает бор, ниобий, азот, фосфор при следующем соотношении компонентов, мас. %: углерод 3,2-3,5; марганец 20,0-24,0; титан 0,05-0,1; бор 0,6-0,75; ниобий 0,4-0,6; азот 0,00006-0,0001; фосфор 0,2-0,25; железо - остальное. В таблице приведены составы износостойкого сплава на основе железа.The technical result is achieved in that the wear-resistant alloy based on iron, containing carbon, manganese, titanium, further includes boron, niobium, nitrogen, phosphorus in the following ratio of components, wt. %: carbon 3.2-3.5; manganese 20.0-24.0; titanium 0.05-0.1; boron 0.6-0.75; niobium 0.4-0.6; nitrogen 0.00006-0.0001; phosphorus 0.2-0.25; iron is the rest. The table shows the compositions of a wear-resistant alloy based on iron.

Figure 00000001
Figure 00000001

В составе сплава компоненты проявляют себя следующим образом. Марганец, бор, фосфор обеспечивают повышенную твердость и износостойкость сплава. Титан улучшает металлическую основу сплава. Бор стабилизирует карбиды. Ниобий, введенный в состав сплава в сочетании с азотом, бором и фосфором, препятствует образованию заусениц и трещин, образующихся при истирании.In the composition of the alloy, the components manifest themselves as follows. Manganese, boron, phosphorus provide increased hardness and wear resistance of the alloy. Titanium improves the metal base of the alloy. Boron stabilizes carbides. Niobium, introduced into the alloy in combination with nitrogen, boron and phosphorus, prevents the formation of burrs and cracks formed during abrasion.

Сплав выплавляют в электропечах и отливают в горячие (400-450°С) металлические формы, обмазанные огнеупорной глиной. Отливки отжигают при температуре 740-760°С.The alloy is smelted in electric furnaces and cast into hot (400-450 ° C) metal molds coated with refractory clay. Castings are annealed at a temperature of 740-760 ° C.

Источник информацииThe source of information

1. SU 1070203, 1984.1. SU 1070203, 1984.

Claims (9)

Износостойкий сплав на основе железа, содержащий углерод, марганец и титан, отличающийся тем, что он дополнительно содержит бор, ниобий, азот и фосфор при следующем соотношении компонентов, мас. %: Wear-resistant alloy based on iron, containing carbon, manganese and titanium, characterized in that it additionally contains boron, niobium, nitrogen and phosphorus in the following ratio of components, wt. %: углерод 3,2-3,5; carbon 3.2-3.5; марганец 20,0-24,0; manganese 20.0-24.0; титан 0,05-0,1; titanium 0.05-0.1; бор 0,6-0,75; boron 0.6-0.75; ниобий 0,4-0,6; niobium 0.4-0.6; азот 0,00006-0,0001; nitrogen 0.00006-0.0001; фосфор 0,2-0,25; phosphorus 0.2-0.25; железо - остальное.iron is the rest.
RU2017119357A 2017-06-01 2017-06-01 Wear resistant alloy based on iron RU2643773C1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1070203A1 (en) * 1982-08-09 1984-01-30 Ждановский металлургический институт Wear resistant alloy
RU2102518C1 (en) * 1994-12-27 1998-01-20 Черняк Саул Самуилович Wear resistant cast steel
RU2336364C1 (en) * 2006-12-19 2008-10-20 Институт физики металлов УрО РАН Austenite steel
WO2014127062A2 (en) * 2013-02-15 2014-08-21 Scoperta, Inc. Hard weld overlays resistant to re-heat cracking

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1070203A1 (en) * 1982-08-09 1984-01-30 Ждановский металлургический институт Wear resistant alloy
RU2102518C1 (en) * 1994-12-27 1998-01-20 Черняк Саул Самуилович Wear resistant cast steel
RU2336364C1 (en) * 2006-12-19 2008-10-20 Институт физики металлов УрО РАН Austenite steel
WO2014127062A2 (en) * 2013-02-15 2014-08-21 Scoperta, Inc. Hard weld overlays resistant to re-heat cracking

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